diff --git a/pkg/morph/client/nns.go b/pkg/morph/client/nns.go
index 53dbe180e..758b220a2 100644
--- a/pkg/morph/client/nns.go
+++ b/pkg/morph/client/nns.go
@@ -21,8 +21,6 @@ import (
 const (
 	nnsContractID = 1 // NNS contract must be deployed first in the sidechain
 
-	// NNSAuditContractName is a name of the audit contract in NNS.
-	NNSAuditContractName = "audit.frostfs"
 	// NNSBalanceContractName is a name of the balance contract in NNS.
 	NNSBalanceContractName = "balance.frostfs"
 	// NNSContainerContractName is a name of the container contract in NNS.